i-Message is a short message service (SMS) from Apple
. It is available to users starting with the operating system version IOS 5. The i-Message service allows unlimited short messages to be sent to other Apple users via Apple devices such as iPad, iPhone or iPod Touch. I-Message is a comprehensive application and also includes the sending of photos, videos, address contact information and location information. It has delivery and read receipt features as well as group messaging. I-Message competes with the classic SMS message of telecommunication services and has been developed with the intention of gaining further market share for Apple products.